2 papers
astro-ph1999
Evolution of Magnetic Field in AR 5747 and Its Approximation as a Linear Force Free Field
Y. -J. Moon, H. S. Yun, G. S. Choe +2
The evolution of nonpotential characteristics of magnetic fields in AR 5747 is presented using Mees Solar Observatory magnetograms taken on Oct. 20, 1989 to Oct. 22, 1989. The acti…
astro-ph1999
Study of Solar Active Regions Based on BOAO Vector Magnetograms
Y. -J. Moon, Y. D. Park, H. S. Yun +1
In this study we present the study of solar active regions based on BOAO vector magnetograms and filtergrams. With the new calibration method we analyzed BOAO vector magnetogr…